A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6145-01-169-5663
NSN 5996-00-804-2698
NSN 6620-01-643-5531
NSN 5996-00-156-5967
NSN 5905-01-125-6102
NSN 5920-01-052-9152
NSN 6130-01-250-2386
NSN 5965-01-598-1231
NSN 6320-00-937-5625
NSN 5905-00-596-3283
NSN 7035-00-275-5604
NSN 5975-01-462-2595